Hach Nitrite TNTplus Vial Test HR 0.6-6.0 mg/L NO₂-N
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Product Description
Hach TNTplus 840 nitrite test, high range (HR) 0.6-6.0 mg/L NO₂-N (nitrite as nitrogen). TNTplus vial test for lab or field use with Hach DR3900 / DR6000 / DR1900 spectrophotometer or DR300 pocket colorimeter. Wastewater treatment plant effluent monitoring, aquaculture water quality, cooling-tower biocide verification. Barcode-vial format eliminates transcription errors. Ships pack of 25 tests.
Technical Specifications
- Part
- TNT840 Method: Acid-persulfate Range: 0.15-4.5 mg/L P Accuracy: ±5% Vials: 25 per pack (standard) / 100 per pack (chlorine pillows) Required equipment: Hach DR-series photometer / spectrophotometer + DRB200 heater (digestion tests)
Standards & Compliance
- Classification / Approval
- Equivalent to EPA / Standard Methods / ISO methods
- HS Code
- 9027.80
Compatibility & Fitment
All TNTplus vials use 16mm test-tube format with auto-recognition barcode on DR900/1900/6000.
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Catalogue entry last verified: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy TNT840?
- TNT840 can be ordered from cballast.com as a Hach catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Hach product?
- The manufacturer part number is TNT840.
- What is the HS code for TNT840?
- The customs tariff (HS) code for TNT840 is 9027.80.
- Who manufactures TNT840?
- TNT840 is a Hach product in the Chemical Test Kits range.
- Is a datasheet available for TNT840?
- Yes — the TNT840 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for TNT840?
- The minimum order quantity is 1.
- Is TNT840 available?
- Yes — TNT840 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).